INDEX— Concluded 



W 



Waahoo (or Wahoo) 118 



Wasps 3, 29, 30, 44, 45, 134, 135 



Digger-wasp 20, 43, 44, 45, 134, 136 



Solitary Wasp 20, 77, 78, 135 



Spider-wasp 134 



Thread-waisted Wasp 134, 135 



Watermelon 66, 86 



Webworm, Alfalfa (See Alfalfa Web- 

 worm) 

 Webworm, Sugar Beet (See Sugar 

 Beet Webworm) 



Weeds 5, 6, 71, 72, 89,91 



Western Army Cutworm, 8, 10, 



41-45, 46, 47, 88, 136 



Description 41 , 42 



Worm 41 



Pupa 41 



Moth 41, 42 



Life History 42, 43 



Natural Enemies 43-45 



Western Beet Leaf-beetle 22, 90, 91 



Description 90 



Nature of Injury 90 



Methods of Control 91 



Western Blight 124 



Whale Oil Soap 33, 114, 120 



Wheat b3,65, 66 



"Whiskered Beets'" 61, 124 



White Ash 112 



White Clover 63 



White Grubs, 3,5, 10,31,38,48-52, 



53, 54, 97, 134 



Nature of Injury 49, 50 



Methods of Control 50 



Life History 51 



Natural Enemies 51,52 



White Pigweed Ill 



Why Growers do not Spray 73 , 74 



Willow 50 



Winged Lice 57, 58 



Wings of Insects 29 



Winter Spraying 117 



Winthemia Sp 81 



Wireworm 3, 5, 10, 31, 38, 50, 52-54 



Nature of Injury 52, 53 



Methods of Control 53 



Description 53, 54 



Worm 53 



Pupa 54 



Beetle 54 



Life History 54 



Natural Enemies 54 



Woodpecker, Red-headed 108 



Worms 30, 41, 43, 44, 45, 46, 47, 48 



Yellow-bear Caterpillar 8, 18, 86, 87 



Nature of Injury 86 



Methods of Control 86 



Description 87 



Egg 87 



Caterpillar 87 



Pupa 87 



Moth 87 



Life History 87 



Natural Enemies 87 



Yellow Jacket 135 



Yellow Lupine 63 



Zebra Caterpillar 8, 14, 87, 



Nature of Injury 



Methods of Control 



Description 



Egg 



Caterpillar 



Moth 



Life History 



Natural Enemies 



157 



